Blue Sky Department
Ideas are easy. Making them work is the hard part.
Properties of a Finite Universe
Edges of the Universe
Speculations on Negative Mass
- A Design for 3D Printing.
- A Sub-relativistic Flywheel Design.
Compression as Encryption
Reuseable Launch Vehicles
Beyond Chemical Rockets
- Nuclear, laser and microwave powered rockets.
Tethered Interplanetary Vehicles
- Nuclear powered manned space travel.
On the technology from the fiction of C.J. Cherryh